Lisa Delprete, 45, of New Haven, was pronounced dead of head trauma at Lawrence & Memorial Hospital in New London, according to Connecticut State Police. She was a passenger in a vehicle driven by Edmund Davis, 52, of New Haven. Davis suffered head and chest injuries and was transferred to Yale-New Haven Hospital.

Davis was traveling south in the right lane near exit 77 on I-395 in Waterford when he was struck from behind by Dina Senibaldi, 26, of Everett, Mass. Davis lost control of the car, which struck the wire rope guard and rolled onto its side.The accident happened just before 11 p.m.

Senibaldi, who refused treatment, failed a field sobriety test, according to police, and was charged with driving a motor vehicle while intoxicated. She was also charged with possession of marijuana, possession of narcotics, possession of narcotics not in the original container and driving without a license. She was being held on $100,000 bond and scheduled to appear in New London Superior Court Monday.

A passenger in Senibaldi's car, Marirose Lynch, also of Everett, was treated at L&M for a cut to her forehead.

The investigation is ongoing. Anyone with information is asked to call Trooper TFC Richter at Troop E in Montville, (860) 848-6500.